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Finding the Fourth Proportional to 152,647.72, 228,924.90 and 105,565.39

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Solution

The fourth proportional to 152,647.72, 228,924.90 and 105,565.39 is: 158,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,647.72 : 228,924.90 = 105,565.39 : x
  2. Step 2: Convert to fraction form
    152,647.72/228,924.90 = 105,565.39/x
  3. Step 3: Cross multiply
    152,647.72x = 228,924.90 × 105,565.39
  4. Step 4: Simplify right side
    152,647.72x = 24,166,546,349.21
  5. Step 5: Solve for x
    x = 24,166,546,349.21/152,647.72
  6. Step 6: Final answer
    x = 158,315.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.